Algae scrubber



FIG. 1 is a perspective view of an algae scrubber in accordance with thepresent design.

FIG. 2 is a right side view of the algae scrubber shown in FIG. 1.

FIG. 3 is a left side view of the algae scrubber shown in FIG. 1.

FIG. 4 is a bottom view of the algae scrubber shown in FIG. 1.

FIG. 5 is a top view of the algae scrubber shown in FIG. 1.

FIG. 6 is a front view of the algae scrubber shown in FIG. 1; and,

FIG. 7 is a back view of the algae scrubber shown in FIG. 1.

CLAIM The ornamental design for an algae scrubber, substantially asshown and described.